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Tungsten carbide tapered ball nose end mill, coated finish, 6 mm shank, 75 mm length

YINGHUA

YINGHUA R2.0x30.5xD6x75L HRC55 Tapered Ball Nose End Mill

SKU CH-Q776-P934G

Tungsten carbide coated tapered ball nose cutter for CNC milling, 2.0 mm radius, 30.5 mm flute length, 75 mm overall length, HRC55 hardness

  • Product typeRight-Angle Drills
  • Tungsten solid carbide body resists wear at HRC55 hardness
  • Coated tapered cone geometry enables precise CNC milling cuts
  • Right-angle drill format suits tight-space machining tasks
  • Shank options from 3.175 mm to 8 mm fit multiple tool holders
  • Total length range 38 to 100 mm covers varied depth requirements

CNC Tapered Ball Nose Cutter

The YINGHUA R2.0x30.5xD6x75L is a solid carbide end mill coated for CNC milling and engraving tasks. It suits workshops and production cells that need a tapered ball nose profile for contouring or finishing operations. The tool is supplied new and intended for industrial cutting only.

Shank Diameter Limits Machine Fit

Available shank diameters are 3.175 mm, 4 mm, 6 mm and 8 mm with overall lengths from 38 mm to 100 mm. The holder or collet must match one of these exact shank sizes; mismatched diameters will prevent secure clamping. Total length must also clear the machine’s work envelope and tool changer.

HRC55 Hardness Defines Material Range

The cutter is rated HRC55, which determines the workpiece hardness it can effectively machine. Buyers processing materials significantly harder than this rating will experience rapid wear or tool failure. The product is not for users under 18 years of age.

How it compares

Measured against everything we stock in Power Drills, Drivers & Cutting Bits, at today’s prices. Recalculated every night.

Price $33.99
Cheaper than about 70% of the 2,412 comparable items (median $81.99).

Specifications

Product
Product typeRight-Angle Drills

Questions about this item

Should I pick the 3.175 mm, 4 mm, 6 mm or 8 mm shank for my CNC machine?

Choose the shank diameter that matches your collet or tool holder — 3.175 mm, 4 mm, 6 mm or 8 mm are the available options for this tapered ball nose end mill.

What does the R2.0 radius and 30.5° taper mean for the cut profile?

The R2.0 ball nose gives a 4 mm radius at the tip, while the 30.5° taper widens the tool toward the shank, allowing deeper 3D contouring without interference.

Does the HRC55 tungsten carbide coating limit the spindle speed or feed rate I can run?

HRC55 hardness supports high-speed CNC milling in steel and hardened alloys; run parameters recommended by your CAM software for solid carbide tools.

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